CAS Number: 35380-71-3
Chemical Name: Estradiol Hemihydrate
Molecular Formula: C18H24O2 ·0.5H2O
Molecular Weight: 281.39

CAS Number: 53-16-7
Chemical Name: 3-Hydroxyestra-1,3,5(10)-trien-17-one
Molecular Formula: C18H22O2
Molecular Weight: 270.37

CAS Number: 57-91-0
Chemical Name: Estra-1,3,5(10)-triene-3,17α-diol
Molecular Formula: C18H24O2
Molecular Weight: 272.38

CAS Number: 6171-48-8
Chemical Name: 4-Methylestra-1,3,5(10)-triene-3,17β-diol
Molecular Formula: C19H26O2
Molecular Weight: 286.41

CAS Number: 791-69-5
Chemical Name: Estra-1,3,5(10),9(11)-tetraene-3,17β-diol
Molecular Formula: C18H22O2
Molecular Weight: 270.37